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-rw-r--r--actionmailer/test/message_delivery_test.rb1
1 files changed, 0 insertions, 1 deletions
diff --git a/actionmailer/test/message_delivery_test.rb b/actionmailer/test/message_delivery_test.rb
index 55ee00602a..e4dd269494 100644
--- a/actionmailer/test/message_delivery_test.rb
+++ b/actionmailer/test/message_delivery_test.rb
@@ -1,4 +1,3 @@
-# encoding: utf-8
require 'abstract_unit'
require 'active_job'
require 'minitest/mock'